CN212113292U - Acid-base-resistant seawater-resistant special cable - Google Patents
Acid-base-resistant seawater-resistant special cable Download PDFInfo
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- CN212113292U CN212113292U CN202021302178.9U CN202021302178U CN212113292U CN 212113292 U CN212113292 U CN 212113292U CN 202021302178 U CN202021302178 U CN 202021302178U CN 212113292 U CN212113292 U CN 212113292U
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Abstract
The utility model discloses a special cable of resistant sea water of acid and alkali-resistance, including the sinle silk, the surface coating of sinle silk has the insulating layer, the parcel has the shielding layer on the insulating layer, shielding layer surface parcel has first buffer layer, first buffer layer surface parcel has the second buffer layer, second buffer layer surface parcel has the armor, the surface coating of armor has the prevention of seepage water layer, prevention of seepage water layer surface coating has corrosion resistant layer. The corrosion resistance of the cable can be improved through the corrosion-resistant layer and the water seepage-proof layer, and seawater is isolated, so that the cable can be prevented from being corroded in seawater, and the service life of the cable is ensured; can increase the stretch-proofing performance of cable through the armor, can cushion pressure through first buffer layer, second buffer layer and air cavity simultaneously, avoid appearing the cable and receive the cracked condition of impact.
Description
Technical Field
The utility model belongs to the technical field of the cable, specifically be acid and alkali-resistance special cable of resistant sea water.
Background
A cable is a power or signal transmission device, and is generally composed of several wires or groups of wires. The cable includes power cable, control cable, compensation cable, shielding cable, high-temperature cable, computer cable, signal cable, coaxial cable, fire-resistant cable, marine cable, mining cable, aluminum alloy cable and the like. They are composed of single or multi-strand wires and insulating layers, and are used for connecting circuits, electric appliances and the like.
At present, most of the existing cables for submarine laying are ordinary cables, so that seawater corrodes a cable protective sleeve, the service life of the cables is seriously influenced, the impact force of submarine water flow on the cables is large, and the situation of cable fracture often occurs.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an acid and alkali-resistance special cable of resistant sea water to solve current submarine laying and mostly be ordinary cable with the cable, make the sea water cause the corruption to cable protection cover, seriously influence the life of cable, and the rivers in seabed are great to the impact force of cable, often can appear the problem of the cracked condition of cable.
In order to achieve the above object, the utility model provides a following technical scheme: acid and alkali-resistant sea water special cable, including the sinle silk, the surface coating of sinle silk has the insulating layer, the parcel has the shielding layer on the insulating layer, and the shielding layer is made by the cotton material of electrically conductive bubble, can reflect, absorb the electric wave that the sinle silk sent, shielding layer surface parcel has first buffer layer, first buffer layer surface parcel has the second buffer layer, second buffer layer surface parcel has the armor, the surface parcel of armor has the prevention of seepage water layer, prevention of seepage water layer surface parcel has corrosion resistant layer.
Preferably, the insulating layer is an insulating film made of an insulating plastic material, the thickness of the insulating film is 0.5-2 mm, and insulating plastics such as PE and PVC have good insulating performance, so that the cable leakage can be avoided.
Preferably, first buffer layer and second buffer layer are all made by elastic rubber material, and the thickness of first buffer layer and second buffer layer is 4 to 6 millimeters, and elastic rubber material has good elasticity performance for when the cable received pressure, first buffer layer and second buffer layer can take place deformation and cushion.
Preferably, all be equipped with the air cavity on first buffer layer and the second buffer layer, bond through sealed glue between first buffer layer and the second buffer layer, when the cable received pressure, first buffer layer and second buffer layer warp for the air cavity receives extrusion deformation, and the convection current takes place for the inside gas of air cavity, makes the inside atmospheric pressure increase of air cavity, can realize the buffering of cable to pressure.
Preferably, the water-proof layer is a protective film made of synthetic polymer waterproof coiled material, and the synthetic polymer waterproof coiled material has the performance of water tightness and water prevention and can isolate seawater.
Preferably, the corrosion-resistant layer is made of polyvinyl chloride material, the thickness of the corrosion-resistant layer is 0.5-1 mm, and the polyvinyl chloride material has good wear resistance and acid-base corrosion resistance.
Compared with the prior art, the beneficial effects of the utility model are that: the corrosion resistance of the cable can be improved through the corrosion-resistant layer and the water seepage-proof layer, and seawater is isolated, so that the cable can be prevented from being corroded in seawater, and the service life of the cable is ensured; can increase the stretch-proofing performance of cable through the armor, can cushion pressure through first buffer layer, second buffer layer and air cavity simultaneously, avoid appearing the cable and receive the cracked condition of impact.
Drawings
Fig. 1 is a schematic cross-sectional view of the overall structure of the present invention.
In the figure: 1 sinle silk, 2 insulating layers, 3 shielding layers, 4 first buffer layers, 5 second buffer layers, 6 armor, 7 prevention of seepage water layer, 8 corrosion-resistant layer, 9 air cavitys.
Detailed Description
Referring to fig. 1, the acid and alkali resistant seawater resistant cable comprises a wire core 1, an insulating layer 2 is wrapped on the surface of the wire core 1, the insulating layer 2 is an insulating film made of an insulating plastic material, the thickness of the insulating film is 0.5 to 2 mm, the insulating plastic such as PE and PVC has good insulating property, which can avoid the cable leakage, the insulating layer 2 is wrapped with a shielding layer 3, the shielding layer 3 is made of a conductive foam material and can reflect and absorb electric waves emitted by the wire core 1, the shielding layer 3 is wrapped with a first buffer layer 4, the first buffer layer 4 is wrapped with a second buffer layer 5, the first buffer layer 4 and the second buffer layer 5 are both made of an elastic rubber material, the thicknesses of the first buffer layer 4 and the second buffer layer 5 are both 4 to 6 mm, the elastic rubber material has good elastic property, so that when the cable is under pressure, the first buffer layer 4 and the second buffer layer 5 can deform for buffering, the first buffer layer 4 and the second buffer layer 5 are both provided with an air cavity 9, the first buffer layer 4 and the second buffer layer 5 are bonded through a sealant, when a cable is under pressure, the first buffer layer 4 and the second buffer layer 5 deform to enable the air cavity 9 to be extruded and deformed, convection is generated in the air inside the air cavity 9 to increase the air pressure inside the air cavity 9, the pressure buffering of the cable can be realized, the surface of the second buffer layer 5 is wrapped with an armor layer 6, the armor layer 6 is an armor woven by thin steel wires, the tensile property of the cable can be improved, the surface of the armor layer 6 is wrapped with an impermeable layer 7, the impermeable layer 7 is a protective film made of synthetic polymer waterproof coiled material, the synthetic polymer waterproof coiled material has the water impermeability and water seepage resistance, seawater can be isolated, the surface of the impermeable layer 7 is wrapped with an anticorrosive layer 8, the corrosion-resistant layer 8 is made of polyvinyl chloride material, the thickness of the corrosion-resistant layer is 0.5-1 mm, and the polyvinyl chloride material has good wear resistance, acid and alkali corrosion resistance.
The working principle of the scheme is as follows: the corrosion-resistant layer 8 is made of polyvinyl chloride material, the polyvinyl chloride material has good wear resistance and acid-base corrosion resistance, the water seepage-proof layer 7 is a protective film made of synthetic high-molecular waterproof coiled material, and the synthetic high-molecular waterproof coiled material has water impermeability and water seepage resistance and can isolate seawater, so that the cable can be prevented from being corroded in seawater, and the service life of the cable is ensured; because armor 6 is by thin steel wire armor, can increase the stretch-proofing performance of cable, because first buffer layer 4 and second buffer layer 5 all are made by elastic rubber material, when the cable received pressure, first buffer layer 4 and second buffer layer 5 received extrusion deformation, and the convection current takes place for the inside gas of air cavity 9 simultaneously to can cushion pressure, avoid appearing the cable and receive the condition of impact fracture.
Claims (6)
1. Acid and alkali-resistance seawater-resistant special cable, including sinle silk (1), its characterized in that: the surface coating of sinle silk (1) has insulating layer (2), the parcel has shielding layer (3) on insulating layer (2), shielding layer (3) surface coating has first buffer layer (4), first buffer layer (4) surface coating has second buffer layer (5), second buffer layer (5) surface coating has armor (6), the surface coating of armor (6) has prevention of seepage water layer (7), prevention of seepage water layer (7) surface coating has corrosion-resistant layer (8).
2. The acid and alkali resistant seawater resistant special cable of claim 1, which is characterized in that: the insulating layer (2) is an insulating film made of an insulating plastic material, and the thickness of the insulating film is 0.5 to 2 mm.
3. The acid and alkali resistant seawater resistant special cable of claim 1, which is characterized in that: the first buffer layer (4) and the second buffer layer (5) are both made of elastic rubber materials, and the thicknesses of the first buffer layer (4) and the second buffer layer (5) are both 4-6 mm.
4. The acid and alkali resistant seawater resistant special cable of claim 1, which is characterized in that: air cavities (9) are arranged on the first buffer layer (4) and the second buffer layer (5).
5. The acid and alkali resistant seawater resistant special cable of claim 1, which is characterized in that: the water seepage prevention layer (7) is a protective film made of synthetic polymer waterproof coiled material.
6. The acid and alkali resistant seawater resistant special cable of claim 1, which is characterized in that: the corrosion-resistant layer (8) is made of polyvinyl chloride material and has a thickness of 0.5 to 1 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021302178.9U CN212113292U (en) | 2020-07-06 | 2020-07-06 | Acid-base-resistant seawater-resistant special cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021302178.9U CN212113292U (en) | 2020-07-06 | 2020-07-06 | Acid-base-resistant seawater-resistant special cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212113292U true CN212113292U (en) | 2020-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021302178.9U Active CN212113292U (en) | 2020-07-06 | 2020-07-06 | Acid-base-resistant seawater-resistant special cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212113292U (en) |
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2020
- 2020-07-06 CN CN202021302178.9U patent/CN212113292U/en active Active
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